We know that nullpointer has at least 7 AIs, of which 4 for seven wonders and 3 for set priorities.
I have 5 Ais in use (were 7 some days ago).
Poostick said 4 AIs (source: telegram)
Ritter runkel said 14 Ais (source: telegram)
Kanishka screenshots on telegram, at least 10+ Ais
Christian said 16 Ais (source viewtopic.php?f=3&t=92&p=890#p890 )
edit: For me 5 Ais
Meeting Point: 2
Seven Wonders: A1
Set Your Priorities: same A1
Mind Game: 1
Split Team: same A1
Circle of Death: 1